Articles on Greenhouse gases

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Planes and airports both have big carbon footprints – and the sector is still growing. ssguy/Shutterstock

Airline emissions are set to rise – and people are threatening to sue

No matter what the aviation industry does to reduce emissions, it will be outweighed by growth in air travel, according to a new analysis. Growth will trump emissions cuts even if significant (and contentious…
Global action to reduce emissions could threaten Australia’s coal exports. Lock the Gate Alliance/Flickr

Australia’s economy will suffer if we fall behind on climate action

Australia’s economy faces grave threats from climate change, but the greatest threat is if we do not make a serious effort to reduce greenhouse gas emissions. It’s not just the physical impacts of climate…
Whatever you call it - climate change, global warming, or the greenhouse effect - it’s increasing the frequency and severity of heatwaves. AAP Image/Dean Lewins

We need to talk about how we talk about climate change

How we talk about climate change has a lot to do with how we feel about it, and what we’re willing to do to act on it. Recent research from the US found that the terms “global warming” and “climate change…
Your mum was right: it’s good for you to eat your veggies. Yet a recent survey found one in four Australians ate none in a typical day. shashinjutsu/Flickr

Healthy diet, healthier planet

The way we currently produce food around the world contributes up to 20-30% of the world’s greenhouse gas emissions and accounts for 70% of all human water use. But is it possible to eat well and take…
Australia has a possible path to 100% renewables – if governments and business can be persuaded to take it. AAP Image/Alan Porritt

Renewable energy target can go all the way to 100% – if we let it

The political outlook for renewable energy is not great – and I’m not just talking about the view out of Joe Hockey’s car window. The Renewable Energy Target (RET), which aims to deliver 41 million megawatt-hours…
Could UCG be the best way to clean up coal? Jeffrey Beall/Flickr

Is ‘underground coal gasification’ the new fracking?

Recent news that a gas project in Queensland has been charged with environmental harm has put the spotlight on underground coal gasification, or UCG. Linc Energy’s Chinchilla project was a pilot UCG project…
Better appliances and energy-efficiency rules saved Australians more than A$3 billion on electricity last year alone. Shutterstock

Energy-smart appliances cut Australian power bills by billions

The latest review of Australia’s energy-saving appliance scheme has delivered a rare trifecta: a good news story for the economy, the community and the environment. According to my estimates from data…
United Nations Secretary-General Ban Ki-moon – shown at UN headquarters with Australian Foreign Minister Julie Bishop last year – is urging governments and businesses to bring “bold pledges” to a UN summit later this year. EPA/Jason Szenes

Australia trounced Kyoto climate target, new report reveals

After a week of mostly bad news on climate change, new figures reveal that Australia easily beat its first internationally-agreed…

Methane emissions found to be underestimated

The USA’s methane emissions, a type of greenhouse gas, have been found to be severely underestimated according to new research…

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